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Forum: Geometry
Re: Question Can G4EllipticalTube be used with G4PVParameterized? (Michael H. Kelsey)
Date: 14 Feb, 2018
From: Gabriele Cosmo <Gabriele Cosmo>

Hi Mike,

not all shapes can be parameterised (or divided/replicated); elliptical-tube cannot be
parameterised. The list of shapes that can be parameterised is reported in the
G4VPVParameterisation class, as you have already realised.

Cheers, Gabriele

--------------
On Thu, 15 Feb 2018 06:20:03 GMT, Michael H. Kelsey wrote:
> I am trying to implement a detector sensor mask, in the form of a
> pattern of aluminum ellipses (QET fins) on a germanium crystal. The
> obvious way to do this is with G4PVParameterised, However, I note that
> G4VPVParameterisation does not include G4EllipticalTube as one of the
> solids which can be used as argument to ComputeDimensions().
> 
> Does this mean that I _cannot_ use ellipses for this situation, or just
> that I can't implement ComputeDimensions() (I wasn't planning to do so,
> as all the pads are identical).
> 
>   -- Michael Kelsey

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